c62ecf891a19a07280c5d1df489af92382a920773beb7e5b9373e2d1aca4a631

General

Target

3d8b001a1ddbe60f402d1a439832275d.exe
Size

16KB
MD5

3d8b001a1ddbe60f402d1a439832275d
SHA1

1cfa2bc0377c7bf314f326bc933901bf41a91112
SHA256

c62ecf891a19a07280c5d1df489af92382a920773beb7e5b9373e2d1aca4a631
SHA512

c6c4db6596d2cc551f2a6f219434219d1b5c77445e62586ab2e78bd441b44d645a4d32e8add5feadbc25d403b950864ba65e5dbe0229a1c00b690bf387decb3c
SSDEEP

384:lQb3v9KGj8qSA7ETxg6M/xoUXKSrPxcR0T:gEDA7YxNM/xoUXK+c

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2856	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1980	fbtre6.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2396-0-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/memory/1980-15-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/files/0x000c000000012262-6.dat	upx
behavioral1/memory/2396-3-0x00000000003B0000-0x00000000003BD000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\fmark2.dat	fbtre6.exe
File created	\??\c:\windows\fbtre6.exe	3d8b001a1ddbe60f402d1a439832275d.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{5C4EF121-A8D2-11EE-9843-4AE60EE50717} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410295080"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2676	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2676	iexplore.exe
2676	iexplore.exe
2640	IEXPLORE.EXE
2640	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 1980	2396	3d8b001a1ddbe60f402d1a439832275d.exe	28
PID 2396 wrote to memory of 1980	2396	3d8b001a1ddbe60f402d1a439832275d.exe	28
PID 2396 wrote to memory of 1980	2396	3d8b001a1ddbe60f402d1a439832275d.exe	28
PID 2396 wrote to memory of 1980	2396	3d8b001a1ddbe60f402d1a439832275d.exe	28
PID 2396 wrote to memory of 2856	2396	3d8b001a1ddbe60f402d1a439832275d.exe	29
PID 2396 wrote to memory of 2856	2396	3d8b001a1ddbe60f402d1a439832275d.exe	29
PID 2396 wrote to memory of 2856	2396	3d8b001a1ddbe60f402d1a439832275d.exe	29
PID 2396 wrote to memory of 2856	2396	3d8b001a1ddbe60f402d1a439832275d.exe	29
PID 2676 wrote to memory of 2640	2676	iexplore.exe	33
PID 2676 wrote to memory of 2640	2676	iexplore.exe	33
PID 2676 wrote to memory of 2640	2676	iexplore.exe	33
PID 2676 wrote to memory of 2640	2676	iexplore.exe	33
PID 1980 wrote to memory of 2796	1980	fbtre6.exe	35
PID 1980 wrote to memory of 2796	1980	fbtre6.exe	35
PID 1980 wrote to memory of 2796	1980	fbtre6.exe	35
PID 1980 wrote to memory of 2796	1980	fbtre6.exe	35

C:\Users\Admin\AppData\Local\Temp\3d8b001a1ddbe60f402d1a439832275d.exe
"C:\Users\Admin\AppData\Local\Temp\3d8b001a1ddbe60f402d1a439832275d.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2396
- \??\c:\windows\fbtre6.exe
  c:\windows\fbtre6.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c c:\5465465465463.bat
    3⤵
    PID:2796
- C:\Windows\SysWOW64\cmd.exe
  cmd /c c:\5465465465463.bat
  2⤵
  - Deletes itself
  PID:2856

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2676 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\5465465465463.bat

Filesize
111B

MD5
c4d633ae442767f9c8f5a6668054587c

SHA1
0db84468d067409e2496d1c51577d91a63900da0

SHA256
612b21979c958e557d17fb6851291ee040b13da63dabf2fbf95b2c9e4af55cd0

SHA512
58555cffa50ae87bf1db48236eb929518f170ecaa94b8297f75d92fc5526f0f2622a3f4925b37bdcab681d23b192b187d3af8e7c0fc962aadb660093577d4088

Download Submit
C:\5465465465463.bat

Filesize
209B

MD5
e57bfa1ecb6bff66988a982f36dde446

SHA1
5e9ec6f6e34b0e2b96bb4182cfd641ac1ddb25fe

SHA256
68d31351cc8bb5648809521cf8e8c37ee0b04779f6aa5ef2131f803a027d0bcb

SHA512
efbf2f4bd0d6e984531c1d40d4588c1c9425f76ab3e645e25eed693b9f3a0d17d60561355a7845ac5c0cdac1ff166bc485d35cabc453e1b56b35898ded7850b7

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
6bed52568bc9b674a6e38d9d656acbf4

SHA1
1d3c5302b1ff261acf25cb817d06766b36bb0595

SHA256
161bdc68be9be4342f278470fa5479b56c15b741670e1a7c0105e7a8d78391b0

SHA512
3a3556e77d51bc2d96d07f1780dff115e45cc710acb12f479940c956bcaae02aa4efb6079a091da30e327fda761cb907f44df6c91269312fdcc6bc8c6be37deb

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabCB2C.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarCC0B.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Windows\fbtre6.exe

Filesize
16KB

MD5
3d8b001a1ddbe60f402d1a439832275d

SHA1
1cfa2bc0377c7bf314f326bc933901bf41a91112

SHA256
c62ecf891a19a07280c5d1df489af92382a920773beb7e5b9373e2d1aca4a631

SHA512
c6c4db6596d2cc551f2a6f219434219d1b5c77445e62586ab2e78bd441b44d645a4d32e8add5feadbc25d403b950864ba65e5dbe0229a1c00b690bf387decb3c

Download Submit
memory/1980-15-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1980-20-0x0000000000300000-0x0000000000302000-memory.dmp

Filesize
8KB

Download
memory/2396-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2396-3-0x00000000003B0000-0x00000000003BD000-memory.dmp

Filesize
52KB

Download

Analysis

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